Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	11720	1839	16%	0.00	2409	1271	53%	6.2
10 Kinds of People	27075	5502	20%	0.01	4667	3342	72%	5.3
2048	10716	4923	46%	0.00	4782	4077	85%	2.6
2, 4, 6, Greaaat	842	128	15%	0.15	101	42	42%	9.1
3D Printed Statues	14488	6647	46%	0.00	6247	5584	89%	2.2
3D Printer	998	163	16%	0.00	415	125	30%	8.9
3-Sided Dice	2925	237	8%	0.00	478	165	35%	8.7
4 thought	12712	4363	34%	0.00	4156	3502	84%	2.9
A1 Paper	6781	2042	30%	0.00	2028	1612	79%	3.8
Aa	142	103	73%	0.01	39	28	72%	6.3 - 7.6
Aaah!	36517	17078	47%	0.00	15373	14354	93%	1.5
Abandoned Animal	2649	584	22%	0.03	670	492	73%	5.4
ABC	20157	9119	45%	0.00	8668	7855	91%	1.9
Ab Initio	2139	344	16%	0.09	291	182	63%	7.5
Above Average	13091	5470	42%	0.00	5239	4715	90%	1.9
A+B Problem	9714	982	10%	0.03	1390	465	33%	8.1
A Brief Gerrymander	542	108	20%	0.11	102	49	48%	9.0
Abstract Art	468	155	33%	0.00	130	95	73%	6.0
Abstract Painting	1109	444	40%	0.00	398	323	81%	4.0
Absurdistan Roads II	706	238	34%	0.00	239	158	66%	7.0
Absurdistan Roads III	1804	515	29%	0.02	485	370	76%	5.6
Access Points	525	179	34%	0.01	169	132	78%	5.9
Accounting	1753	513	29%	0.01	469	330	70%	4.6
A Classy Problem	12918	3360	26%	0.01	2918	2273	78%	4.4
ACM Contest Scoring	8532	5339	63%	0.00	4766	4510	95%	1.5
Add 'Em Up!	2628	625	24%	0.01	652	467	72%	4.9
Adding Words	14519	3588	25%	0.00	3357	2627	78%	4.1
Add Two Numbers	4144	2816	68%	0.00	2646	2556	97%	1.3
A Different List Game	7509	524	7%	0.00	989	192	19%	9.3
A Different Problem	41327	15307	37%	0.00	13992	12127	87%	2.4
Adjoin the Networks	2718	698	26%	0.00	602	479	80%	5.7
Administrative Difficulties	1775	353	20%	0.03	373	254	68%	6.3
Ads	838	83	10%	0.00	160	58	36%	5.5
Advanced Causal Measurements	129	41	32%	0.10	42	32	76%	7.4
Adventure Begins	332	104	31%	0.06	110	83	75%	5.6
Adventures in Moving -- Part IV	1796	403	22%	0.00	347	285	82%	4.9
A Favourable Ending	1937	532	27%	0.00	496	387	78%	4.4
A Feast For Cats	3444	1302	38%	0.00	948	819	86%	3.4
A Flea on a Chessboard	999	210	21%	0.01	209	148	71%	5.3
A Horse Shoe-In	129	13	10%	0.27	21	9	43%	9.2
AI Jeopardy	600	80	13%	0.02	79	52	66%	6.3
Air Conditioned Minions	7105	2093	29%	0.00	2149	1662	77%	3.6
Airline Hub	2362	526	22%	0.01	471	282	60%	6.6
Airport Coffee	1313	267	20%	0.04	253	178	70%	6.8
Airport Construction	3801	473	12%	0.02	416	220	53%	7.8
Airport Logistics	71	19	27%	0.00	25	18	72%	6.9
Airports	571	168	29%	0.11	156	111	71%	6.5
Air Rally	76	0	0%	--	9	0	0%	8.4
Akcija	9861	4551	46%	0.00	4088	3660	90%	2.0
Aladin	875	100	11%	0.10	142	32	23%	8.7
Alchemy	175	34	19%	0.02	45	24	53%	8.9
Alchemy 101	588	185	31%	0.05	171	134	78%	3.9
Alea iacta est	45	16	36%	0.19	20	15	75%	6.6
Alehouse	819	348	42%	0.02	307	244	79%	4.6
Alex and Barb	1192	415	35%	0.00	480	375	78%	3.4
Alice in the Digital World	6099	1540	25%	0.01	1387	1097	79%	4.0
Alien Codebreaking	315	31	10%	3.23	57	16	28%	8.2
Alien Microwave	241	97	40%	0.00	126	93	74%	6.5
Alien Numbers	2970	1562	53%	0.00	1529	1400	92%	1.9
A List Game	10990	3337	30%	0.00	3211	2716	85%	3.0
All about that base	3339	1330	40%	0.00	1283	1086	85%	3.0
All Different Directions	1709	793	46%	0.00	752	672	89%	2.5
Allergy Test	647	164	25%	0.00	211	104	49%	8.0
All Friends	1165	220	19%	0.00	209	109	52%	8.8
All is Well	128	37	29%	0.03	35	30	86%	5.7
All Just A Dream	2721	712	26%	0.05	540	415	77%	5.4
All Kill	123	101	82%	0.00	57	50	88%	2.9
Alloys	872	317	36%	0.00	329	276	84%	3.9
All Pairs Shortest Path	13909	2678	19%	0.00	1688	1211	72%	5.8
Almost Perfect	13626	3053	22%	0.00	3113	2478	80%	3.2
Almost Union-Find	10209	1764	17%	0.02	1604	967	60%	6.2
Alphabet	2636	1353	51%	0.00	1290	1094	85%	3.1
Alphabet Animals	8277	1522	18%	0.00	1337	957	72%	6.7
Alphabet Spam	11007	6874	62%	0.00	5840	5619	96%	1.3
Alternating Current	704	686	97%	0.00	119	116	97%	1.3 - 8.1
Alternative Anagram	258	83	32%	0.00	74	55	74%	7.3
Alternative Bracket Notation	236	102	43%	0.00	111	91	82%	5.4
Alto Singing	85	36	42%	0.00	37	34	92%	4.7
Altruistic Amphibians	544	150	28%	0.22	124	92	74%	5.4
Amalgamated Artichokes	5124	2312	45%	0.01	2038	1800	88%	2.6
Amanda Lounges	1932	579	30%	0.03	490	399	81%	5.2
A Mazing!	3997	1036	26%	0.09	402	303	75%	5.5
Amazing Adventures	451	139	31%	0.02	154	112	73%	5.8
Amazing Race	594	148	25%	0.29	135	101	75%	5.6
Ambiguous Result	299	68	23%	0.02	100	63	63%	7.1
Amsterdam Distance	2252	1130	50%	0.00	1140	979	86%	2.5
A Multiplication Game	1282	527	41%	0.00	564	439	78%	4.2
Anagram Counting	4725	1899	40%	0.00	1823	1540	84%	2.8
Andrew the Ant	513	155	30%	0.05	164	127	77%	4.8
A New Adventure	1544	234	15%	0.00	228	164	72%	5.6
A New Alphabet	13954	6286	45%	0.00	5887	5410	92%	2.2
An I for an Eye	1292	374	29%	0.00	430	321	75%	4.8
Animal Classification	1681	395	23%	0.03	335	224	67%	6.8
An Industrial Spy	2420	1281	53%	0.02	1015	893	88%	2.8
Annoyed Coworkers	470	127	27%	0.03	103	87	84%	3.7
Another Brick in the Wall	4366	2234	51%	0.00	2171	1979	91%	2.1
Another Candies	10388	2907	28%	0.00	2928	2456	84%	2.7
Another Coin Weighing Puzzle	765	208	27%	0.00	146	117	80%	5.6
Another Dice Game	134	82	61%	0.00	82	69	84%	4.4
Another Query on Array Problem	2012	258	13%	0.05	393	178	45%	7.7